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The length of a rectangle is twice its width. the perimeter of the rectangle is 90 cm. what are the length and width?

The length of a rectangle is twice its width. the perimeter of the rectangle is 90 cm. what are the length and width?
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2 votes
The length of a rectangle is twice its width. the perimeter of the rectangle is 90 cm. what are the length and width?

User TheDbGuy
by
8.3k points

1 Answer

5 votes
L = 2w

2w + 2(2w) = 90
2w + 4w = 90
6w = 90
w = 15

L = 2(15)
L = 30

Length is 30 and width is 15

User Basic Bridge
by
7.5k points
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